package com.sky.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.OrderItem;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.sky.annotation.AutoFill;
import com.sky.constant.MessageConstant;
import com.sky.constant.PasswordConstant;
import com.sky.constant.StatusConstant;
import com.sky.context.BaseContext;
import com.sky.dto.EmployeeDTO;
import com.sky.dto.EmployeeLoginDTO;
import com.sky.dto.EmployeePageQueryDTO;
import com.sky.entity.Employee;
import com.sky.enumeration.OperationType;
import com.sky.exception.AccountLockedException;
import com.sky.exception.AccountNotFoundException;
import com.sky.exception.PasswordErrorException;
import com.sky.fillCommonFields.FillCommonFieldsInsert;
import com.sky.fillCommonFields.FillCommonFieldsUpdate;
import com.sky.mapper.EmployeeMapper;
import com.sky.result.PageResult;
import com.sky.service.EmployeeService;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.time.LocalDateTime;
import java.util.List;

@Service
public class EmployeeServiceImpl extends ServiceImpl<EmployeeMapper, Employee> implements EmployeeService{

    @Autowired
    private EmployeeMapper employeeMapper;

    /**
     * 员工登录
     *
     * @param employeeLoginDTO
     * @return
     */
    public Employee login(EmployeeLoginDTO employeeLoginDTO) {
        String username = employeeLoginDTO.getUsername();
        String password = employeeLoginDTO.getPassword();

        //1、根据用户名查询数据库中的数据
//        Employee employee = employeeMapper.getByUsername(username);
        Employee employee=lambdaQuery().eq(Employee::getUsername, username).one();

        //2、处理各种异常情况（用户名不存在、密码不对、账号被锁定）
        if (employee == null) {
            //账号不存在
            throw new AccountNotFoundException(MessageConstant.ACCOUNT_NOT_FOUND);
        }

        //密码比对
        // TODO 后期需要进行md5加密，然后再进行比对
        password=DigestUtils.md5DigestAsHex(password.getBytes());

        if (!password.equals(employee.getPassword())) {
            //密码错误
            throw new PasswordErrorException(MessageConstant.PASSWORD_ERROR);
        }

        if (employee.getStatus() == StatusConstant.DISABLE) {
            //账号被锁定
            throw new AccountLockedException(MessageConstant.ACCOUNT_LOCKED);
        }

        //3、返回实体对象
        return employee;
    }

    @Override
//    @AutoFill(OperationType.INSERT)
    public void saveEmployee(EmployeeDTO employeeDTO) {
    //属性拷贝
        Employee employee=new Employee();
        BeanUtils.copyProperties(employeeDTO, employee);
    //设置默认参数
        employee.setStatus(StatusConstant.ENABLE);
        employee.setPassword(DigestUtils.md5DigestAsHex(PasswordConstant.DEFAULT_PASSWORD.getBytes()));

//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());
//
//        employee.setCreateUser(BaseContext.getCurrentId());
//        employee.setUpdateUser(BaseContext.getCurrentId());
        FillCommonFieldsInsert.AutoFill(employee);
    //插入员工数据
        baseMapper.insert(employee);

    }

    @Override
    public PageResult employeePage(EmployeePageQueryDTO employeePageQueryDTO) {
        Page<Employee>page=Page.of(employeePageQueryDTO.getPage(),employeePageQueryDTO.getPageSize());
        page.addOrder(new OrderItem("create_time",false));

        LambdaQueryWrapper<Employee> lambdaQueryWrapper=new LambdaQueryWrapper<>();
        String name=employeePageQueryDTO.getName();
        //判断姓名是否是空或者空白
        if(StringUtils.isNotBlank(name)) {
            lambdaQueryWrapper.like(Employee::getName,"%"+name+"%");
        }
        //执行分页查询
        Page<Employee> page1 = page(page, lambdaQueryWrapper);

        return new PageResult(page1.getTotal(), page1.getRecords());
    }
    @Override
    public void updateStatus(Integer status, Long id) {
//        UpdateWrapper<Employee> updateWrapper=new UpdateWrapper<Employee>().set("status",status).eq("id",id);
//        update(updateWrapper);
        lambdaUpdate().eq(Employee::getId,id).set(Employee::getStatus,status).update();
    }

    @Override
//    @AutoFill(OperationType.UPDATE)
    public void updateInfo(EmployeeDTO employeeDTO) {
        Employee employee=new Employee();
        BeanUtils.copyProperties(employeeDTO, employee);
//        employee.setUpdateTime(LocalDateTime.now());
//        employee.setUpdateUser(BaseContext.getCurrentId());
        FillCommonFieldsUpdate.AutoFill(employee);
        baseMapper.updateById(employee);
    }
}
